Public Shared Function AppendText ( _
    path As String _
) As StreamWriter

Dim path As String
Dim returnValue As StreamWriter

returnValue = File.AppendText(path)

public static StreamWriter AppendText (
    string path
)

public:
static StreamWriter^ AppendText (
    String^ path
)

public static StreamWriter AppendText (
    String path
)

public static function AppendText (
    path : String
) : StreamWriter

Imports System
Imports System.IO

Public Class Test
    Public Shared Sub Main()
        Dim path As String = "c:\temp\MyTest.txt"
        Dim sw As StreamWriter

        ' This text is added only once to the file.
        If File.Exists(path) = False Then
            ' Create a file to write to.
            sw = File.CreateText(path)

            sw.WriteLine("Hello")
            sw.WriteLine("And")
            sw.WriteLine("Welcome")
            sw.Flush()
            sw.Close()
        End If

        ' This text is always added, making the file longer over time
        ' if it is not deleted.
        sw = File.AppendText(path)
        sw.WriteLine("This")
        sw.WriteLine("is Extra")
        sw.WriteLine("Text")
        sw.Flush()
        sw.Close()

        ' Open the file to read from.
        Dim sr As StreamReader = File.OpenText(path)
        Dim s As String
        Do While sr.Peek() >= 0
            s = sr.ReadLine()
            Console.WriteLine(s)
        Loop
        sr.Close()
    End Sub
End Class

using System;
using System.IO;

class Test 
{
    public static void Main() 
    {
        string path = @"c:\temp\MyTest.txt";
        // This text is added only once to the file.
        if (!File.Exists(path)) 
        {
            // Create a file to write to.
            using (StreamWriter sw = File.CreateText(path)) 
            {
                sw.WriteLine("Hello");
                sw.WriteLine("And");
                sw.WriteLine("Welcome");
            }    
        }

        // This text is always added, making the file longer over time
        // if it is not deleted.
        using (StreamWriter sw = File.AppendText(path)) 
        {
            sw.WriteLine("This");
            sw.WriteLine("is Extra");
            sw.WriteLine("Text");
        }    

        // Open the file to read from.
        using (StreamReader sr = File.OpenText(path)) 
        {
            string s = "";
            while ((s = sr.ReadLine()) != null) 
            {
                Console.WriteLine(s);
            }
        }
    }
}

using namespace System;
using namespace System::IO;

int main()
{
   String^ path = "c:\\temp\\MyTest.txt";
   
   // This text is added only once to the file.
   if (  !File::Exists( path ) )
   {
      // Create a file to write to.
      StreamWriter^ sw = File::CreateText( path );
      try
      {
         sw->WriteLine( "Hello" );
         sw->WriteLine( "And" );
         sw->WriteLine( "Welcome" );
      }
      finally
      {
         if ( sw )
            delete (IDisposable^)sw;
      }
   }
   
   // This text is always added, making the file longer over time
   // if it is not deleted.
   StreamWriter^ sw = File::AppendText( path );
   try
   {
      sw->WriteLine( "This" );
      sw->WriteLine( "is Extra" );
      sw->WriteLine( "Text" );
   }
   finally
   {
      if ( sw )
         delete (IDisposable^)sw;
   }
   
   // Open the file to read from.
   StreamReader^ sr = File::OpenText( path );
   try
   {
      String^ s = "";
      while ( s = sr->ReadLine() )
      {
         Console::WriteLine( s );
      }
   }
   finally
   {
      if ( sr )
         delete (IDisposable^)sr;
   }
}

import System.*;
import System.IO.*;

class Test
{
    public static void main(String[] args)
    {
        String path = "c:\\temp\\MyTest.txt";

        // This text is added only once to the file.
        if (!(File.Exists(path))) {
            // Create a file to write to.
            StreamWriter sw = File.CreateText(path);
            try {
                sw.WriteLine("Hello");
                sw.WriteLine("And");
                sw.WriteLine("Welcome");
            }
            finally {
                sw.Dispose();
            }
        }

        // This text is always added, making the file longer over time
        // if it is not deleted.
        StreamWriter sw = File.AppendText(path);
        try {
            sw.WriteLine("This");
            sw.WriteLine("is Extra");
            sw.WriteLine("Text");
        }
        finally {
            sw.Dispose();
        }

        // Open the file to read from.
        StreamReader sr = File.OpenText(path);
        try {
            String s = "";
            while ((s = sr.ReadLine())!= null) {
                Console.WriteLine(s);
            }
        }
        finally {
            sr.Dispose();
        }
    } //main
} //Test